condition mean min max 0 h after light 2.28004 1.83823 2.72185 4 h after light 2.3807150000000004 2.05039 2.71104 8 h after light 0.936385 0.907703 0.965067 4 h after dark 1.7165 1.1714 2.2616 8 h after dark 2.633005 2.259 3.00701 12 h after dark 1.952295 1.58344 2.32115